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Finding the Fourth Proportional to 355,065.34, 532,414.38 and 130,368.10

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Solution

The fourth proportional to 355,065.34, 532,414.38 and 130,368.10 is: 195,484.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,065.34 : 532,414.38 = 130,368.10 : x
  2. Step 2: Convert to fraction form
    355,065.34/532,414.38 = 130,368.10/x
  3. Step 3: Cross multiply
    355,065.34x = 532,414.38 × 130,368.10
  4. Step 4: Simplify right side
    355,065.34x = 69,409,851,133.28
  5. Step 5: Solve for x
    x = 69,409,851,133.28/355,065.34
  6. Step 6: Final answer
    x = 195,484.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.